643
FNCA52 TJSJ 251930
FWFSJU
FIRE WEATHER PLANNING FORECAST FOR PUERTO RICO
NATIONAL WEATHER SERVICE SAN JUAN PR
330 PM AST SAT APR 25 2026
DISCUSSION
NO FIRE DANGER IS EXPECTED TODAY.
PRZ014-260800-
SOUTHEAST COASTAL PLAINS-
330 PM AST SAT APR 25 2026
TONIGHT SUN SUN NIGHT MON
CLOUD COVER MCLEAR MCLEAR PCLDY PCLDY
PRECIP TYPE SHOWERS SHOWERS SHOWERS TSTMS
CHANCE PRECIP (%) 10 20 40 40
TEMP (24H TREND) 71 (-1) 89 (+5) 71 88
RH % (24H TREND) 90 (+1) 49 (-10) 92 55
WIND 20FT/EARLY(MPH) LGT/VAR SE 9 E 6 E 10
WIND 20FT/LATE(MPH) LGT/VAR S 9 NE 5 SE 10
MIXING HGT(FT-AGL/MSL) 4420 3970
TRANSPORT WND (MPH) SE 8 SE 10
VENT RATE (KT-FT) 30940 35730
DISPERSION 5 5
DSI 1 6 2 6
RH RECOVERY EXCELLENT EXCELLENT
REMARKS...NONE.
PRZ015-260800-
SOUTHERN HILLS-
330 PM AST SAT APR 25 2026
TONIGHT SUN SUN NIGHT MON
CLOUD COVER MCLEAR MCLEAR PCLDY PCLDY
PRECIP TYPE SHOWERS SHOWERS SHOWERS TSTMS
CHANCE PRECIP (%) 10 10 40 40
TEMP (24H TREND) 67 (-3) 87 (+6) 69 85
RH % (24H TREND) 96 (0) 59 (-10) 96 66
WIND 20FT/EARLY(MPH) S 6 SE 8 SE 5 E 10
WIND 20FT/LATE(MPH) LGT/VAR S 9 E 5 SE 10
MIXING HGT(FT-AGL/MSL) 5430 4840
TRANSPORT WND (MPH) SE 8 SE 10
VENT RATE (KT-FT) 38010 43560
DISPERSION 5 5
DSI 1 6 2 6
RH RECOVERY EXCELLENT EXCELLENT
REMARKS...NONE.
PRZ016-260800-
NORTH COASTAL PLAINS-
330 PM AST SAT APR 25 2026
TONIGHT SUN SUN NIGHT MON
CLOUD COVER PCLDY PCLDY PCLDY MCLDY
PRECIP TYPE SHOWERS TSTMS TSTMS TSTMS
CHANCE PRECIP (%) 40 60 60 80
TEMP (24H TREND) 70 (-1) 90 (+4) 71 89
RH % (24H TREND) 96 (-1) 55 (-5) 98 61
WIND 20FT/EARLY(MPH) SE 11 SE 8 S 8 E 9
WIND 20FT/LATE(MPH) S 6 NE 12 SE 5 E 11
MIXING HGT(FT-AGL/MSL) 4960 4240
TRANSPORT WND (MPH) SE 6 SE 8
VENT RATE (KT-FT) 24800 29680
DISPERSION 5 5
DSI 2 6 2 5
RH RECOVERY EXCELLENT EXCELLENT
REMARKS...NONE.
PRZ017-260800-
NORTHERN HILLS-
330 PM AST SAT APR 25 2026
TONIGHT SUN SUN NIGHT MON
CLOUD COVER MCLEAR PCLDY PCLDY PCLDY
PRECIP TYPE SHOWERS TSTMS SHOWERS TSTMS
CHANCE PRECIP (%) 30 50 50 80
TEMP (24H TREND) 68 (-1) 88 (+4) 69 87
RH % (24H TREND) 95 (-3) 57 (-4) 96 63
WIND 20FT/EARLY(MPH) SE 10 S 6 SE 5 SE 6
WIND 20FT/LATE(MPH) S 5 NE 8 LGT/VAR E 8
MIXING HGT(FT-AGL/MSL) 5780 4970
TRANSPORT WND (MPH) S 6 SE 8
VENT RATE (KT-FT) 28900 34790
DISPERSION 5 5
DSI 2 5 1 5
RH RECOVERY EXCELLENT EXCELLENT
REMARKS...NONE.
PRZ018-260800-
WEST COAST-
330 PM AST SAT APR 25 2026
TONIGHT SUN SUN NIGHT MON
CLOUD COVER MCLEAR MCLEAR PCLDY PCLDY
PRECIP TYPE SHOWERS SHOWERS SHOWERS TSTMS
CHANCE PRECIP (%) 10 10 30 50
TEMP (24H TREND) 71 (0) 89 (+4) 71 89
RH % (24H TREND) 96 (-1) 60 (-7) 96 63
WIND 20FT/EARLY(MPH) S 10 SE 10 SE 10 SE 11
WIND 20FT/LATE(MPH) SE 5 S 12 E 10 SE 12
MIXING HGT(FT-AGL/MSL) 4790 4090
TRANSPORT WND (MPH) SE 12 SE 12
VENT RATE (KT-FT) 47900 40900
DISPERSION 5 5
DSI 2 6 4 6
RH RECOVERY EXCELLENT EXCELLENT
REMARKS...NONE.
PRZ019-260800-
EASTERN INTERIOR-
330 PM AST SAT APR 25 2026
TONIGHT SUN SUN NIGHT MON
CLOUD COVER PCLDY PCLDY PCLDY MCLDY
PRECIP TYPE SHOWERS SHOWERS TSTMS TSTMS
CHANCE PRECIP (%) 30 40 50 70
TEMP (24H TREND) 68 (-3) 89 (+6) 70 86
RH % (24H TREND) 96 (-1) 57 (-7) 97 65
WIND 20FT/EARLY(MPH) S 10 S 8 S 8 SE 8
WIND 20FT/LATE(MPH) LGT/VAR S 11 SE 6 SE 10
MIXING HGT(FT-AGL/MSL) 5920 5320
TRANSPORT WND (MPH) S 9 SE 10
VENT RATE (KT-FT) 47360 47880
DISPERSION 5 5
DSI 1 6 2 6
RH RECOVERY EXCELLENT EXCELLENT
REMARKS...NONE.
PRZ022-260800-
LUQUILLO MOUNTAIN RANGE-
330 PM AST SAT APR 25 2026
TONIGHT SUN SUN NIGHT MON
CLOUD COVER PCLDY PCLDY PCLDY MCLDY
PRECIP TYPE SHOWERS TSTMS TSTMS TSTMS
CHANCE PRECIP (%) 50 50 50 70
TEMP (24H TREND) 67 (-2) 85 (+5) 68 82
RH % (24H TREND) 98 (-1) 61 (-7) 99 72
WIND 20FT/EARLY(MPH) S 6 S 8 S 6 SE 8
WIND 20FT/LATE(MPH) LGT/VAR S 10 S 5 SE 9
MIXING HGT(FT-AGL/MSL) 4450 3790
TRANSPORT WND (MPH) S 10 SE 10
VENT RATE (KT-FT) 40050 34110
DISPERSION 5 5
DSI 1 6 2 6
RH RECOVERY EXCELLENT EXCELLENT
REMARKS...NONE.
PRZ023-260800-
CENTRAL MOUNTAIN RANGE-
330 PM AST SAT APR 25 2026
TONIGHT SUN SUN NIGHT MON
CLOUD COVER MCLEAR MCLEAR PCLDY PCLDY
PRECIP TYPE SHOWERS SHOWERS SHOWERS TSTMS
CHANCE PRECIP (%) 20 20 30 60
TEMP (24H TREND) 65 (-2) 86 (+6) 68 84
RH % (24H TREND) 96 (-3) 61 (-7) 95 66
WIND 20FT/EARLY(MPH) S 9 S 6 SE 5 SE 9
WIND 20FT/LATE(MPH) LGT/VAR S 10 SE 5 SE 8
MIXING HGT(FT-AGL/MSL) 6410 5690
TRANSPORT WND (MPH) SE 7 SE 9
VENT RATE (KT-FT) 38460 45520
DISPERSION 5 5
DSI 1 6 2 6
RH RECOVERY EXCELLENT EXCELLENT
REMARKS...NONE.
PRZ024-260800-
CAYEY MOUNTAIN RANGE-
330 PM AST SAT APR 25 2026
TONIGHT SUN SUN NIGHT MON
CLOUD COVER PCLDY PCLDY PCLDY PCLDY
PRECIP TYPE SHOWERS SHOWERS SHOWERS TSTMS
CHANCE PRECIP (%) 10 20 40 50
TEMP (24H TREND) 67 (-2) 85 (+5) 69 81
RH % (24H TREND) 98 (-1) 62 (-7) 99 72
WIND 20FT/EARLY(MPH) SW 5 S 6 S 5 SE 6
WIND 20FT/LATE(MPH) LGT/VAR S 9 LGT/VAR SE 8
MIXING HGT(FT-AGL/MSL) 5120 4570
TRANSPORT WND (MPH) SE 9 SE 10
VENT RATE (KT-FT) 40960 41130
DISPERSION 5 5
DSI 1 6 1 6
RH RECOVERY EXCELLENT EXCELLENT
REMARKS...NONE.
PRZ025-260800-
VIEQUES-
330 PM AST SAT APR 25 2026
TONIGHT SUN SUN NIGHT MON
CLOUD COVER PCLDY MCLDY PCLDY MCLDY
PRECIP TYPE SHOWERS TSTMS TSTMS TSTMS
CHANCE PRECIP (%) 40 60 50 60
TEMP (24H TREND) 74 (-1) 88 (+4) 74 85
RH % (24H TREND) 93 (+3) 59 (-6) 95 65
WIND 20FT/EARLY(MPH) S 10 S 8 S 9 SE 10
WIND 20FT/LATE(MPH) S 5 S 8 SE 8 SE 9
MIXING HGT(FT-AGL/MSL) 2720 2590
TRANSPORT WND (MPH) SE 10 SE 12
VENT RATE (KT-FT) 24480 25900
DISPERSION 5 5
DSI 4 6 6 6
RH RECOVERY EXCELLENT EXCELLENT
REMARKS...NONE.
PRZ026-260800-
CULEBRA-
330 PM AST SAT APR 25 2026
TONIGHT SUN SUN NIGHT MON
CLOUD COVER PCLDY MCLDY PCLDY MCLDY
PRECIP TYPE SHOWERS TSTMS TSTMS TSTMS
CHANCE PRECIP (%) 40 60 50 60
TEMP (24H TREND) 75 (-1) 90 (+5) 75 87
RH % (24H TREND) 91 (+1) 59 (-8) 96 65
WIND 20FT/EARLY(MPH) S 11 S 9 S 9 SE 10
WIND 20FT/LATE(MPH) S 5 S 9 SE 9 SE 9
MIXING HGT(FT-AGL/MSL) 2750 2600
TRANSPORT WND (MPH) SE 9 SE 12
VENT RATE (KT-FT) 22000 26000
DISPERSION 5 5
DSI 5 6 6 6
RH RECOVERY EXCELLENT EXCELLENT
REMARKS...NONE.
PRZ027-260800-
SOUTHWEST COASTAL PLAINS AND MONA ISLAND-
330 PM AST SAT APR 25 2026
TONIGHT SUN SUN NIGHT MON
CLOUD COVER MCLEAR PCLDY PCLDY PCLDY
PRECIP TYPE SHOWERS SHOWERS SHOWERS SHOWERS
CHANCE PRECIP (%) 10 10 30 40
TEMP (24H TREND) 71 (-2) 90 (+5) 72 89
RH % (24H TREND) 92 (+2) 50 (-8) 95 52
WIND 20FT/EARLY(MPH) SE 8 SE 12 E 11 E 14
WIND 20FT/LATE(MPH) E 8 SE 14 E 11 SE 16
MIXING HGT(FT-AGL/MSL) 4680 4000
TRANSPORT WND (MPH) SE 12 SE 14
VENT RATE (KT-FT) 46800 48000
DISPERSION 5 5
DSI 2 6 5 6
RH RECOVERY EXCELLENT EXCELLENT
REMARKS...NONE.
VIZ001-260800-
SAINT THOMAS AND SAINT JOHN-
330 PM AST SAT APR 25 2026
TONIGHT SUN SUN NIGHT MON
CLOUD COVER PCLDY MCLDY PCLDY MCLDY
PRECIP TYPE SHOWERS TSTMS TSTMS TSTMS
CHANCE PRECIP (%) 50 70 50 60
TEMP (24H TREND) 74 (-2) 86 (+2) 75 86
RH % (24H TREND) 94 (+6) 63 (-4) 95 64
WIND 20FT/EARLY(MPH) S 9 SE 9 SE 9 SE 10
WIND 20FT/LATE(MPH) S 6 SE 9 SE 9 SE 11
MIXING HGT(FT-AGL/MSL) 2760 2520
TRANSPORT WND (MPH) SE 12 SE 12
VENT RATE (KT-FT) 27600 25200
DISPERSION 5 5
DSI 5 6 6 6
RH RECOVERY EXCELLENT EXCELLENT
REMARKS...NONE.
VIZ002-260800-
ST CROIX-
330 PM AST SAT APR 25 2026
TONIGHT SUN SUN NIGHT MON
CLOUD COVER PCLDY MCLDY PCLDY MCLDY
PRECIP TYPE SHOWERS TSTMS TSTMS TSTMS
CHANCE PRECIP (%) 60 70 50 50
TEMP (24H TREND) 74 (-1) 87 (+3) 74 86
RH % (24H TREND) 97 (+7) 64 (-5) 96 66
WIND 20FT/EARLY(MPH) S 6 SE 9 SE 9 SE 10
WIND 20FT/LATE(MPH) SE 6 SE 9 SE 8 SE 12
MIXING HGT(FT-AGL/MSL) 4210 3540
TRANSPORT WND (MPH) SE 12 SE 12
VENT RATE (KT-FT) 42100 35400
DISPERSION 5 5
DSI 4 6 6 6
RH RECOVERY EXCELLENT EXCELLENT
REMARKS...NONE.
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